clouds combine poisons rain acid pollutes toxic Germany rain
is
famous
for
its
majestic
forests
and
historic
architecture
;
however
,
these
landscapes
and
cities
are
under
threat
from
rain
.
Acid
results
when
noxious
gases
?
such
as
carbon
dioxide
,
sulfur
dioxide
,
and
nitrogen
oxide
?
in
the
.
When
these
clouds
burst
,
the
released
is
.
Acid
rain
freshwater
sources
,
fisheries
,
kills
forests
,
and
even
hurts
architecture
.